May 18, 2026
May 22 ASB carnival @ WHS May 28 Historian Video @ WHS, Cap and gown distribution May 29 Senior Trip - Santa Cruz Beach Boardwalk June 1 All Mendocino College transcripts due! ...
February 12, 2026
Are you interested in putting your business in the Sanhedrin High School/New Horizons Independent Study Program yearbook? We are looking for business cards, and you can have yours...
February 12, 2026
Presidents' Day Weekend: No School for Students or Staff on Feb 13 & Feb 16.
January 5, 2026
Senior Portraits for Sanhedrin/New Horizons will be in the afternoon on Wednesday, January 28th.
January 5, 2026
Senior Portraits for Sanhedrin/New Horizons will be in the afternoon on Wednesday, January 28th.
December 15, 2025
Winter Break 12-22-25 through 1-2-26. See you all back on Monday, January 5th.
November 18, 2025
Thanksgiving break no school November 24 through November 28.
November 4, 2025
No school Monday November 10th and Tuesday November 11th in observance of Veterans Day